Concept explainers
Find the current in each branch in the circuit.
Answer to Problem 23P
The current in the branch
The current in the branch
The current in the branch
Explanation of Solution
Given data:
The value of the resistance
The value of the resistance
The value of the resistance
The supply voltage in the circuit is
Formula used:
Formula to calculate the equivalent resistance in the circuit is,
Here,
Formula to calculate the total resistance in the circuit is,
Here,
By using ohm’s law to find the voltage V is,
Here,
Rearrange the equation for the total current as,
By using current division rule to find the unknown current
By using current division rule to find the unknown current
Calculation:
Refer to Figure 12.16 in textbook for the example problem 12.6, redraw the circuit by replacing the light bulbs with resistors as shown in Figure 1, the
Substitute
Substitute
Substitute
Therefore, the total current in the circuit is
The current through the resistor
Substitute
Substitute
Conclusion:
Thus,
The current in the branch
The current in the branch
The current in the branch
Want to see more full solutions like this?
Chapter 12 Solutions
MindTap Engineering, 2 terms (12 months) Printed Access Card for Moaveni's Engineering Fundamentals, SI Edition, 5th
- Water flows from the ground floor to the third floor in a 4-storey building through a pipe 50 mm in diameter at a rate of 2 L/s and according to the diagram below. The water flows out from the system through a tap with an opening diameter of 15 mm. Q. Calculate the energy loss due to friction as the water flows through the pipearrow_forwardThe horizontal pump in Fig.1 discharges water at 57 m3/h. Neglecting Losses,What power in KW is delivered to the water by the pump? A-836 watt B-8360 watt C-8362 watt D-83600 wattarrow_forwardDetermine the natural frequency of the system shown in the figure. The beam is of negligible mass. Given: M=25 kg, E=200 GPa, I=5x10-7 m4, and k spring =5 kN/m.arrow_forward
- A 75 gal. electric hot water heater provides 9000 Watts of power to heat water. If the heater is filled with water at an initial temperature of 50ºF, how long will it take for the water to reach 140ºF? Assume that there are no heat losses.arrow_forwardA cylindrical tank 1m in diameter and 3m tall weighs 3.86kN. Given: ylead = 100kN/m3. 14. Which of the following most nearly gives the weight of the lead that must be placed inside the tank to make the top of the tank flushed with water surface?arrow_forwardb) Water flows from a large reservoir through a pipe system which consists of 200 mm diameter ofpipe and 50 mm diameter of nozzle as shown in Figure 3. By neglecting all energy losses, calculate;(ii) Velocity and pressure at Aarrow_forward
- Calculate the heat loss from a double-pane glass window consisting of two pieces of glass, each having a thickness of 10 mm with a thermal conductivity of k = 1.3 W/m.K . The two glass panes are separated by an air gap of 7 mm. Assume thermal conductivity of air to be k = 0.022 W/m.K .arrow_forwardA sluice gate, as shown in Figure Q1, is used to control the upstream water level in a4 m wide rectangular channel. The water discharge in the channel is 12 m3/s. Given the water depth at 1 is 2.4m use the Specific Energy equation to findthe water depth (to 1 decimal place) at 2.arrow_forwardA venturi meter with throat diameter of 37.5 mm and coefficient of discharge of 0.957 is connected to a 75 mm pipe to measure the discharge of oil with specific gravity of 0.853. A differential gage filled with liquid with specific gravity of 1.35 is connected. If there is a 415 mm difference in the height of the fluid in the meter, what is the flowrate of oil? (PLEASE USE BERNOULLI'S ENERGY EQUATION) INCLUDE COMPLETE SOLUTION PLEASEarrow_forward
- Water is flowing in a 3 m wide rectangular channel. A hydraulic jump occurs and the flow upstream is 360 mm deep while the flow downstream from the jump is 1300 mm deep. A) Find the discharge flowing in the channel. B) Find the energy absorbed by the jump in kW. Please answer correctlyarrow_forwardDesign the chilled water pipe system shown in the figure and calculate the power of the pump. Take the pressure loss in each elbow as 250 Pa. * 50 Lit/min 30 Lit/min 40 Lit/minarrow_forwardA fan delivers 4m^3 of air per second at 20 degrees celsius and 1.2 bar. Assuming molecular weight of air as 28.97, calculate the specific volume and specific weight of the air being delivered.arrow_forward
- Engineering Fundamentals: An Introduction to Engi...Civil EngineeringISBN:9781305084766Author:Saeed MoaveniPublisher:Cengage Learning